CN210174964U

CN210174964U - Auxiliary frame and vehicle

Info

Publication number: CN210174964U
Application number: CN201920679681.7U
Authority: CN
Inventors: Hao Lian; 连昊; Yuanwei Chen; 陈元卫
Original assignee: Liuzhou Wuling Automobile Industry Co Ltd; Guangxi Automobile Group Co Ltd
Current assignee: Liuzhou Wuling Automobile Industry Co Ltd; Liuzhou Wuling Motors Co Ltd; Guangxi Automobile Group Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-03-24
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses an auxiliary frame and a vehicle, wherein the auxiliary frame comprises a middle module and two end modules which are arranged in a split manner, the two end modules are all formed by casting and are provided with a vehicle body connecting position, a steering gear connecting position, a swing arm connecting position and a stabilizer bar connecting position, and the middle module is provided with a suspension connecting position; in an assembled state, the two end modules are respectively installed at two ends of the middle module. The utility model provides an auxiliary frame adopts split type structure, the volume of each module is relatively small, casting and processing can be conveniently carried out, the number of modules is small, the assembly difficulty is small, and the product quality is favorably ensured; in addition, the middle module can be redesigned to realize the compatibility of the vehicle types with the track changing within a certain range, and the design and manufacturing cost of the product can be reduced.

Description

Auxiliary frame and vehicle

Technical Field

The utility model relates to the technical field of vehicles, concretely relates to sub vehicle frame and vehicle.

Background

The auxiliary frame is a framework of the front axle and the rear axle and is used for supporting the front axle and the rear axle and hanging the front axle and the rear axle, so that the front axle and the rear axle are connected with the main frame through the auxiliary frame. The conventional auxiliary frame is formed by integral casting, but the required casting equipment is large due to the large size of the auxiliary frame, the local structure of the auxiliary frame is complex, and a plurality of casting defects are easy to occur in integrally cast products, so that the performance and normal use of the auxiliary frame are seriously influenced.

Therefore, how to provide a solution to overcome the above-mentioned drawbacks remains a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sub vehicle frame and vehicle, wherein, the processing degree of difficulty of this sub vehicle frame is lower, and product quality is higher, and has better compatibility.

In order to solve the technical problem, the utility model provides an auxiliary frame, which comprises a middle module and two end modules which are arranged separately, wherein the two end modules are formed by casting and are provided with a vehicle body connecting position, a steering gear connecting position, a swing arm connecting position and a stabilizer bar connecting position, and the middle module is provided with a suspension connecting position; in an assembled state, the two end modules are respectively installed at two ends of the middle module.

The utility model provides a sub vehicle frame adopts split type structure, cuts apart into middle part module and two tip modules with sub vehicle frame, and the volume homogeneous phase of each module is relatively less, can conveniently process, especially to the fashioned tip module of casting, and its required casting equipment can be less relatively, and casting process is simple relatively, and the flow of liquid metal in the casting mould can be more smooth and easy in the casting process, is difficult for producing the casting defect, more can guarantee the quality of casting product.

Moreover, the number of the modules contained in the split design is relatively small, when each module is processed and assembled, the assembly process cannot be excessively complicated, the welding deformation is relatively easy to control, and the final quality of a product is guaranteed.

In addition, with the above configuration, the center module can be redesigned (lengthened or shortened, etc.) to achieve compatibility with vehicle types whose track varies within a certain range, and design and manufacturing costs of products can be reduced. In specific practice, various different middle modules can be prepared in advance, and then appropriate middle modules are selected for assembly according to specific values of the wheel track of the vehicle to be assembled, so that the assembly efficiency of the auxiliary frame is improved.

Optionally, the central module comprises a body, which is tubular and provided with at least one first lightening hole in its peripheral wall.

Optionally, the body is formed by extrusion casting, and the suspension connecting position is a mounting hole arranged on the peripheral wall of the body, and a suspension sleeve is arranged in the mounting hole.

Optionally, a connecting support is arranged at the connecting end of the end module and the body, and the axial end of the body is lapped on the connecting support and is fixed on the connecting support by welding.

Optionally, the connecting bracket comprises an end plate and three side plates mounted on the end plate, the three side plates are not coplanar, the end plate and the three side plates form a bracket, and the axial end of the body is lapped in the bracket and is abutted against the end plate; and welding seams are formed among the end plates, the three side plates and the outer wall of the body.

Optionally, the end module includes a top plate, and the diverter connection site is a diverter sleeve provided to the top plate.

Optionally, the bottom surface of the top plate is further provided with a plurality of reinforcing ribs, and each reinforcing rib is further connected with the outer wall of the steering gear sleeve.

Optionally, the top plate is further provided with at least one second lightening hole.

The utility model also provides a vehicle, including the sub vehicle frame, the sub vehicle frame is foretell sub vehicle frame.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of an auxiliary frame provided in the present invention;

FIG. 2 is an exploded view of FIG. 1 in an unassembled state;

FIG. 3 is a bottom view of FIG. 1;

fig. 4 is a top view of fig. 1.

The reference numerals in fig. 1-4 are illustrated as follows:

1, a middle module, a body 11, a 111 first lightening hole, a 112 mounting hole and a 12 suspension sleeve;

2 end module, 21 vehicle body connecting position, 22 connecting support, 221 end plate, 222 side plate, 23 top plate, 231 second lightening hole, 24 steering gear sleeve, 25 reinforcing rib, 26 swing arm connecting position and 27 stabilizer bar connecting position.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As used herein, the term "plurality" refers to an indefinite number of plural, usually more than two; and when the term "plurality" is used to indicate a quantity of a particular element, it does not indicate a quantitative relationship between such elements.

The terms "first", "second", and the like, as used herein are used for convenience only to describe two or more structures or components that are the same or similar in structure, and do not denote any particular limitation on the order.

Referring to fig. 1-4, fig. 1 is a schematic structural view of an embodiment of an auxiliary frame according to the present invention, fig. 2 is an exploded view of fig. 1 when not assembled, fig. 3 is a bottom view of fig. 1, and fig. 4 is a top view of fig. 1.

As shown in fig. 1 and 2, the utility model provides an auxiliary frame, which comprises a middle module 1 and two end modules 2, wherein the middle module and the two end modules are separately arranged, the two end modules 2 are formed by casting, specifically formed by gravity casting, and are respectively provided with a vehicle body connecting position 21 and a steering gear connecting position for connecting with a vehicle body and a steering gear, and the middle module 1 is provided with a suspension connecting position for connecting with a suspension; in the assembled state, the two end modules 2 are mounted at the two ends of the middle module 1, respectively.

Compare current integrated into one piece casting fashioned sub vehicle frame, the utility model provides a sub vehicle frame adopts split type structure, cuts apart into middle part module 1 and two tip modules 2 with the sub vehicle frame, and the volume homogeneous phase of each module is relatively less, can conveniently process, especially to casting fashioned tip module 2, and its required casting equipment can be less relatively, and casting process is simple relatively, and the flow of liquid metal in the mould can be more smooth and easy in casting process, and difficult production casting defect more can guarantee the quality of casting product.

Moreover, the number of the modules contained in the split type design is relatively small, when the modules are processed and assembled, no matter welding or connection schemes such as threaded connection are adopted, excessive complexity of an assembly process cannot be caused, welding deformation is relatively easy to control, and final quality of products is guaranteed.

In addition, with the above structure, the compatibility with vehicle types whose track varies within a certain range can be realized by redesigning (lengthening or shortening, etc.) the middle module 1, and the design and manufacturing costs of the product can be reduced. In specific practice, a plurality of different middle modules 1 can be prepared in advance, and then the proper middle module 1 is selected for assembly according to the specific value of the wheel track of the vehicle to be assembled, so that the assembly efficiency of the auxiliary frame is improved.

Here, the embodiment of the utility model provides a do not restrict this sub vehicle frame and specifically can be applicable to the motorcycle type that the track changes in how big within range, when implementing, technical personnel in the field can set up according to actual need.

With continued reference to fig. 2, the middle module 1 may include a body 11, the body 11 may be tubular, and may be a square tube, and the peripheral wall of the body 11 may be provided with at least one first lightening hole 111 to lighten the weight of the body 11. The body 11 of this kind of form can be through gravity casting shaping, also can be through the extrusion casting shaping in the embodiment of the utility model provides an in, the preferred fashioned scheme of extrusion casting that adopts to reduce the processing degree of difficulty.

For the extrusion molding scheme, the suspension connecting position may be a mounting hole 112 disposed on the peripheral wall of the body 11, and the suspension sleeve 12 may be fixed in the mounting hole 112 by welding or the like for mounting the suspension. Instead of using a cast central module 1, which may be welded to fix the suspension sleeve 12, the suspension sleeve 12 may also be formed directly in one piece with the body 11, which can also be used for mounting the suspension.

The connecting end of the end module 2 and the body 11 can be provided with a connecting support 22, and the axial end of the body 11 can be lapped on the connecting support 22 and fixed on the connecting support 22 by welding.

In a specific embodiment, the connecting bracket 22 may include an end plate 221 and three side plates 222 mounted on the end plate 221, the three side plates 222 are not coplanar, and the end plate 221 and the three side plates 222 may form a bracket, and an axial end of the body 11 may overlap in the bracket and abut against the end plate 221. At this time, all three side plates 222 may be attached to the peripheral wall of the body 11, and weld seams may be formed between the end surfaces of the side plates 222 far from the end plate 221 and the outer wall of the body 1, and between the end plate 221 and the outer wall of the body 11, so as to overlap-weld the middle module 1 and the end module 2.

So set up, because body 11 overlap joint is in holding in the palm the groove, body 11 and tip module 2 have accomplished preliminary connection fixed, can conveniently weld the two, and can have higher joint strength in the overlap joint of welding seam, more can guarantee the quality of product.

In the above solution, the three side plates 222 forming the connecting bracket 22 may be connected, and at this time, the three side plates 222 may be combined to form a U-shaped supporting plate; alternatively, the three side plates 222 may be unconnected, which does not affect the support of the three side plates 222 to the middle module 1. In addition, the connecting bracket 22 may also be designed to be tubular, so that the body 11 and the connecting bracket 22 are inserted into each other to perform preliminary positioning and then welding, which is also possible.

With reference to fig. 3 and 4, the end module 2 may include a top plate 23, the steering gear connection position may be a steering gear sleeve 24 disposed on the top plate 23, the bottom surface of the top plate 23 may further be provided with a plurality of reinforcing ribs 25, each reinforcing rib 25 may be plate-shaped, strip-shaped, and the like, and each reinforcing rib 25 may further be connected to an outer wall of the steering gear sleeve 24 and radially distributed in a mesh shape around the steering gear sleeve 24 as a center, so as to improve the strength of the end module 2.

Depending on the type of steering gear, the required mounting point for the steering gear will also vary: in the embodiment of the figures, the steering gear requires three mounting points, two of which (steering gear sleeve 24) are distributed on the left end module 2 and the other (steering gear sleeve 24) is distributed on the right end module 2; if four mounting points are required, two mounting points (steering gear sleeve 24) may be provided on the right-hand end module 2, in which case the two end modules 2 may be of substantially identical construction.

Roof 23 can also be equipped with at least one second lightening hole 231 to alleviate the weight of tip module 2, cooperate the aforesaid first lightening hole 111 that sets up at middle part module 1, can make the utility model provides a sub vehicle frame wholly keeps a less weight, is favorable to losing weight of whole car, and can reduce the consumption of oil mass.

Further, this sub vehicle frame is whole can adopt the aluminum alloy material to prepare, and aluminum alloy system sub vehicle frame is lighter than traditional steel sub vehicle frame, its weight, and the pliability is better, more can satisfy the demand of using.

Use figure 4 as the visual angle, automobile body connection position 21 can be the connecting hole, and it specifically can set up about two linking arms and bottom both ends, the bush of can impressing in it to link to each other through bolt and automobile body, not only can bring fine suspension joint rigidity, can also completely cut off the road surface vibration, in order to bring good travelling comfort.

The end module 2 may further be provided with a swing arm connection position 26 and a stabilizer bar connection position 27 for connecting the swing arm and the stabilizer bar, and the structures of the two connection positions may be referred to the prior art or the attached drawings, and will not be described in detail herein.

It should be emphasized that the utility model provides a sub vehicle frame's core lies in setting up traditional integrative as cast sub vehicle frame into the components of a whole that can function independently structure for the manufacturing degree of difficulty of each components of a whole that can function independently (module) can descend by a wide margin, as for on each components of a whole that can function independently (module) required setting with other part matched with connection positions etc. be similar with the connection position among the prior art, technical personnel in the field can refer to prior art completely and set up these connection positions.

The utility model also provides a vehicle, including the sub vehicle frame, this sub vehicle frame is the sub vehicle frame that above-mentioned each embodiment relates promptly.

Since the subframe has the technical effects as described above, the vehicle having the subframe also has similar technical effects, and therefore, the detailed description thereof is omitted here.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The auxiliary frame is characterized by comprising a middle module (1) and two end modules (2) which are arranged in a split mode, wherein the two end modules (2) are formed by casting and are provided with a vehicle body connecting position (21), a steering gear connecting position, a swing arm connecting position (26) and a stabilizer bar connecting position (27), and the middle module (1) is provided with a suspension connecting position;

in an assembled state, the two end modules (2) are respectively arranged at two ends of the middle module (1).

2. The subframe of claim 1 wherein said central module (1) comprises a body (11), said body (11) being tubular, the peripheral wall of which is provided with at least one first lightening hole (111).

3. The subframe according to claim 2 wherein said body (11) is formed by extrusion molding, and said suspension connection site is a mounting hole (112) provided in a peripheral wall of said body (11), and a suspension bushing (12) is provided in said mounting hole (112).

4. The subframe according to claim 2 wherein the connection end of the end module (2) to the body (11) is provided with a connection bracket (22), and the axial end of the body (11) is lapped over the connection bracket (22) and fixed to the connection bracket (22) by welding.

5. The subframe of claim 4 wherein said connecting bracket (22) comprises an end plate (221) and three side plates (222) mounted to said end plate (221), said three side plates (222) being non-coplanar, and said end plate (221) and said three side plates (222) forming a bracket into which an axial end of said body (11) is received and abutting said end plate (221);

welding seams are formed among the end plate (221), the three side plates (222) and the outer wall of the body (11).

6. The subframe of any of claims 1-5 wherein said end module (2) includes a roof panel (23) and said steering connection location is a steering sleeve (24) provided on said roof panel (23).

7. The subframe of claim 6 wherein said top plate (23) is further provided with a plurality of ribs (25) on a bottom surface thereof, each of said ribs (25) being further connected to an outer wall of said steering sleeve (24).

8. The subframe of claim 6 wherein said top plate (23) is further provided with at least one second lightening hole (231).

9. A vehicle comprising a subframe, wherein said subframe is according to any one of claims 1 to 8.